28327575

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 50036480

約数和(自身を除く): 21708905

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 103, 193, 285, 309, 475, 515, 579, 965, 1425, 1545, 1957, 2575, 2895, 3667, 4825, 5871, 7725, 9785, 11001, 14475, 18335, 19879, 29355, 48925, 55005, 59637, 91675, 99395, 146775, 275025, 298185, 377701, 496975, 1133103, 1490925, 1888505, 5665515, 9442525, 28327575]

約数ペア:

[(1, 28327575), (3, 9442525), (5, 5665515), (15, 1888505), (19, 1490925), (25, 1133103), (57, 496975), (75, 377701), (95, 298185), (103, 275025), (193, 146775), (285, 99395), (309, 91675), (475, 59637), (515, 55005), (579, 48925), (965, 29355), (1425, 19879), (1545, 18335), (1957, 14475), (2575, 11001), (2895, 9785), (3667, 7725), (4825, 5871)]